nav.navbar.navbar-inverse.navbar-fixed-top(role='navigation')
    div.container-fluid
      div.navbar-header
        button(type=button data - toggle = "collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar").navbar-toggle.collapse
          span.sr-only Toggle navigation
          span.icon-bar
          span.icon-bar
          span.icon-bar
        a.navbar-brand(href='#')
      div#navbar.navbar-collapse.collapse
          ul.nav.navbar-nav.navbar-right
              li.dropdown
                a.dropdown-toggle.fn-hide.header-username(data-toggle='dropdown' role='button' aria-expanded='false')
                    span.caret
                ul.dropdown-menu(role='menu')
                    li
                        a(href='/logout')
                            span.glyphicon.glyphicon-log-in.slide_glyphicon  退出

